2828380 has 24 divisors (see below), whose sum is σ = 6001632. Its totient is φ = 1119552.

The previous prime is 2828363. The next prime is 2828383. The reversal of 2828380 is 838282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374 + ... + 2746.

It is an arithmetic number, because the mean of its divisors is an integer number (250068).

2^2828380 is an apocalyptic number.

2828380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828380 is an abundant number, since it is smaller than the sum of its proper divisors (3173252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2828380 is a wasteful number, since it uses less digits than its factorization.

2828380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 2828380 is about 1681.7788201782. The cubic root of 2828380 is about 141.4205708205.

The spelling of 2828380 in words is "two million, eight hundred twenty-eight thousand, three hundred eighty".